1*724ba675SRob Herring// SPDX-License-Identifier: GPL-2.0 2*724ba675SRob Herring/* 3*724ba675SRob Herring * Device Tree for the ST-Ericsson Nomadik S8815 board 4*724ba675SRob Herring * Produced by Calao Systems 5*724ba675SRob Herring */ 6*724ba675SRob Herring 7*724ba675SRob Herring/dts-v1/; 8*724ba675SRob Herring#include <dt-bindings/interrupt-controller/irq.h> 9*724ba675SRob Herring#include "ste-nomadik-stn8815.dtsi" 10*724ba675SRob Herring 11*724ba675SRob Herring/ { 12*724ba675SRob Herring model = "Calao Systems USB-S8815"; 13*724ba675SRob Herring compatible = "calaosystems,usb-s8815"; 14*724ba675SRob Herring 15*724ba675SRob Herring chosen { 16*724ba675SRob Herring bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; 17*724ba675SRob Herring }; 18*724ba675SRob Herring 19*724ba675SRob Herring aliases { 20*724ba675SRob Herring serial0 = &uart0; 21*724ba675SRob Herring serial1 = &uart1; 22*724ba675SRob Herring }; 23*724ba675SRob Herring 24*724ba675SRob Herring gpio3: gpio@101e7000 { 25*724ba675SRob Herring /* This hog will bias the MMC/SD card detect line */ 26*724ba675SRob Herring mmcsd-gpio { 27*724ba675SRob Herring gpio-hog; 28*724ba675SRob Herring gpios = <16 0x0>; 29*724ba675SRob Herring output-low; 30*724ba675SRob Herring line-name = "card detect bias"; 31*724ba675SRob Herring }; 32*724ba675SRob Herring }; 33*724ba675SRob Herring 34*724ba675SRob Herring src@101e0000 { 35*724ba675SRob Herring /* These chrystal drivers are not used on this board */ 36*724ba675SRob Herring disable-sxtalo; 37*724ba675SRob Herring disable-mxtalo; 38*724ba675SRob Herring }; 39*724ba675SRob Herring 40*724ba675SRob Herring pinctrl { 41*724ba675SRob Herring /* Hog CD pins */ 42*724ba675SRob Herring pinctrl-names = "default"; 43*724ba675SRob Herring pinctrl-0 = <&cd_default_mode>; 44*724ba675SRob Herring 45*724ba675SRob Herring uart0 { 46*724ba675SRob Herring /* Only use RX/TX pins */ 47*724ba675SRob Herring uart0_s8815_mode: uart0_mux { 48*724ba675SRob Herring u0_default_mux { 49*724ba675SRob Herring function = "u0"; 50*724ba675SRob Herring groups = "u0txrx_a_1"; 51*724ba675SRob Herring }; 52*724ba675SRob Herring }; 53*724ba675SRob Herring }; 54*724ba675SRob Herring mmcsd-cd { 55*724ba675SRob Herring cd_default_mode: cd_default { 56*724ba675SRob Herring cd_default_cfg1 { 57*724ba675SRob Herring /* CD input GPIO */ 58*724ba675SRob Herring pins = "GPIO111_H21"; 59*724ba675SRob Herring ste,input = <0>; 60*724ba675SRob Herring }; 61*724ba675SRob Herring cd_default_cfg2 { 62*724ba675SRob Herring /* CD GPIO biasing */ 63*724ba675SRob Herring pins = "GPIO112_J21"; 64*724ba675SRob Herring ste,output = <0>; 65*724ba675SRob Herring }; 66*724ba675SRob Herring }; 67*724ba675SRob Herring }; 68*724ba675SRob Herring gpioi2c { 69*724ba675SRob Herring gpioi2c_default_mode: gpioi2c_default { 70*724ba675SRob Herring gpioi2c_default_cfg { 71*724ba675SRob Herring pins = "GPIO73_C21", "GPIO74_C20"; 72*724ba675SRob Herring ste,input = <0>; 73*724ba675SRob Herring }; 74*724ba675SRob Herring }; 75*724ba675SRob Herring }; 76*724ba675SRob Herring user-led { 77*724ba675SRob Herring user_led_default_mode: user_led_default { 78*724ba675SRob Herring user_led_default_cfg { 79*724ba675SRob Herring pins = "GPIO2_C5"; 80*724ba675SRob Herring ste,output = <1>; 81*724ba675SRob Herring }; 82*724ba675SRob Herring }; 83*724ba675SRob Herring }; 84*724ba675SRob Herring user-button { 85*724ba675SRob Herring user_button_default_mode: user_button_default { 86*724ba675SRob Herring user_button_default_cfg { 87*724ba675SRob Herring pins = "GPIO3_A4"; 88*724ba675SRob Herring ste,input = <0>; 89*724ba675SRob Herring }; 90*724ba675SRob Herring }; 91*724ba675SRob Herring }; 92*724ba675SRob Herring }; 93*724ba675SRob Herring 94*724ba675SRob Herring /* Ethernet */ 95*724ba675SRob Herring external-bus@34000000 { 96*724ba675SRob Herring compatible = "simple-bus"; 97*724ba675SRob Herring reg = <0x34000000 0x1000000>; 98*724ba675SRob Herring #address-cells = <1>; 99*724ba675SRob Herring #size-cells = <1>; 100*724ba675SRob Herring ranges = <0 0x34000000 0x1000000>; 101*724ba675SRob Herring ethernet@300 { 102*724ba675SRob Herring compatible = "smsc,lan91c111"; 103*724ba675SRob Herring reg = <0x300 0x0fd00>; 104*724ba675SRob Herring interrupt-parent = <&gpio3>; 105*724ba675SRob Herring interrupts = <8 IRQ_TYPE_EDGE_RISING>; 106*724ba675SRob Herring }; 107*724ba675SRob Herring }; 108*724ba675SRob Herring 109*724ba675SRob Herring i2c1 { 110*724ba675SRob Herring lis3lv02dl@1d { 111*724ba675SRob Herring /* Accelerometer */ 112*724ba675SRob Herring compatible = "st,lis3lv02dl-accel"; 113*724ba675SRob Herring reg = <0x1d>; 114*724ba675SRob Herring }; 115*724ba675SRob Herring }; 116*724ba675SRob Herring 117*724ba675SRob Herring /* GPIO I2C connected to the USB portions of the STw4811 only */ 118*724ba675SRob Herring gpio-i2c { 119*724ba675SRob Herring compatible = "i2c-gpio"; 120*724ba675SRob Herring gpios = <&gpio2 10 0>, /* sda */ 121*724ba675SRob Herring <&gpio2 9 0>; /* scl */ 122*724ba675SRob Herring #address-cells = <1>; 123*724ba675SRob Herring #size-cells = <0>; 124*724ba675SRob Herring pinctrl-names = "default"; 125*724ba675SRob Herring pinctrl-0 = <&gpioi2c_default_mode>; 126*724ba675SRob Herring 127*724ba675SRob Herring stw4811@2d { 128*724ba675SRob Herring compatible = "st,stw4811-usb"; 129*724ba675SRob Herring reg = <0x2d>; 130*724ba675SRob Herring }; 131*724ba675SRob Herring }; 132*724ba675SRob Herring 133*724ba675SRob Herring 134*724ba675SRob Herring amba { 135*724ba675SRob Herring /* Activate RXTX on UART 0 */ 136*724ba675SRob Herring uart0: serial@101fd000 { 137*724ba675SRob Herring pinctrl-names = "default"; 138*724ba675SRob Herring pinctrl-0 = <&uart0_s8815_mode>; 139*724ba675SRob Herring status = "okay"; 140*724ba675SRob Herring }; 141*724ba675SRob Herring /* Configure card detect for the uSD slot */ 142*724ba675SRob Herring mmc@101f6000 { 143*724ba675SRob Herring cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; 144*724ba675SRob Herring }; 145*724ba675SRob Herring }; 146*724ba675SRob Herring 147*724ba675SRob Herring /* The user LED on the board is set up to be used for heartbeat */ 148*724ba675SRob Herring leds { 149*724ba675SRob Herring compatible = "gpio-leds"; 150*724ba675SRob Herring user-led { 151*724ba675SRob Herring label = "user_led"; 152*724ba675SRob Herring gpios = <&gpio0 2 0x1>; 153*724ba675SRob Herring default-state = "off"; 154*724ba675SRob Herring linux,default-trigger = "heartbeat"; 155*724ba675SRob Herring pinctrl-names = "default"; 156*724ba675SRob Herring pinctrl-0 = <&user_led_default_mode>; 157*724ba675SRob Herring }; 158*724ba675SRob Herring }; 159*724ba675SRob Herring 160*724ba675SRob Herring /* User key mapped in as "escape" */ 161*724ba675SRob Herring gpio-keys { 162*724ba675SRob Herring compatible = "gpio-keys"; 163*724ba675SRob Herring user-button { 164*724ba675SRob Herring label = "user_button"; 165*724ba675SRob Herring gpios = <&gpio0 3 0x1>; 166*724ba675SRob Herring linux,code = <1>; /* KEY_ESC */ 167*724ba675SRob Herring wakeup-source; 168*724ba675SRob Herring pinctrl-names = "default"; 169*724ba675SRob Herring pinctrl-0 = <&user_button_default_mode>; 170*724ba675SRob Herring }; 171*724ba675SRob Herring }; 172*724ba675SRob Herring}; 173